/**
*  Copyright (c) 2011, Alex Theodoridis
*  All rights reserved.

*  Redistribution and use in source and binary forms, with 
*  or without modification, are permitted provided that the 
*  following conditions are met:
*  Redistributions of source code must retain the above 
*  copyright notice, this list of conditions and the following disclaimer.
*  Redistributions in binary form must reproduce the above 
*  copyright notice, this list of conditions and the following
*  disclaimer in the documentation and/or other materials 
*  provided with the distribution.

*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
*  AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
*  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
*  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
*  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
*  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
*  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
*  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
*  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
*  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
*  ANY WAY OUT OF THE USE OF THIS SOFTWARE,
*  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
*/

#ifndef _IBEPNEURALLAYER_H
#define	_IBEPNEURALLAYER_H
#include <Utilities/SmartPtr/SharedPtr.h>

namespace nn {

    namespace bp {

        template<class Var>
        class INeuralLayer {
        public:

            INeuralLayer() {
            }
            virtual bool calculateLayerDeltas(const utils::SharedPtr<INeuralLayer<Var> >& affectedLayer, const NNSamplesSet<Var>* dataSet) = 0;
            virtual bool calculateLayerWeights(void) = 0;
            virtual Var getInput(unsigned int neuronId, unsigned int inputId)= 0;
            virtual Var getInputWeight(unsigned int neuronId, unsigned int weightId)= 0;
            virtual Var getNeuronWeight(unsigned int neuronId)= 0;
            virtual Var getDifferential(unsigned int neuronId)= 0;
            virtual Var getDelta(unsigned int neuronId)= 0;
            virtual unsigned int getNeuronsNumber(void) = 0;

            virtual ~INeuralLayer() {
            }
        };

    }

}

#endif	/* _IBEPNEURALLAYER_H */

